China gate locks For sale is a device that, as the name suggests, is used to lock the door to prevent others from opening the door. There are many classifications of china gate locks for sale, and the requirements for china gate locks for sale are different on various occasions. Ordinary households generally use anti-theft china gate locks for sale, which is high in security and relatively cheap. So do you know what are the precautions for maintenance of china gate locks For sale?
1. Lubricant
Some friends often like to put some lubricating oil into the keyhole when the china gate locks For sale becomes astringent or tight. In this way, the whole body of china gate locks For sale may be smooth, but because the oil is easy Sticky dust will easily accumulate dust in the keyhole in the future, and form greasy putty, which will make china gate locks for sale more prone to failure.
The correct solution: sharpen some broken pencils or broken candles, blow them into the lock cylinder through a thin tube, and then insert the key and turn it several times.

2. The door does not open smoothly
Sometimes, due to the gravity of the door leaf or the door hinge, the door leaf sinks, and the door is locked or not opened smoothly. At this time, it is very difficult to open and lock the door with the key. At this time, do not twist the key forcibly, so as not to break the key and increase trouble.
The correct solution: you should check the reason first. If the door leaf is sinking due to loose leaf, fix the loose leaf with screws. If the door frame is deformed or the reason is unrecoverable, you can start with the door frame and expand the bolt accordingly, so that the door can be opened and closed smoothly.